For Isla Alcatras :
No gale warning.
The reliability of the situation is very good.
Sunny spells with possibility of mist forming in the morning, storms developing in the afternoon. Possibility of showers late in the morning, heavy showers in the afternoon. In the evening, storms developing.
Heavy showers. NNW force 1 turning SSW force 2 in the middle of the day then S force 1. Gusts reaching 7 knots in the middle of the day. Slight sea. Low, short swell from WSW. Visibility reduced by fog becoming reduced by mist in the middle of the day then reduced by fog.